Plasma Brain-Derived Neurotrophic Factor as a Biomarker for the Main Types of Mild Neurocognitive Disorders and Treatment Efficacy: A Preliminary Study

Table 3

Spearman’s/Pearson’s correlations between clinical, demographic, and cognitive variables and plasma BDNF concentrations in MNCD-AD and ScVMNCD groups.

Clinical variables	Spearman’s/Pearson’s correlation coefficient
	MNCD-AD group	ScVMNCD group
Age	−0.09	−0.28
MMSE, total score	0.49	0.18
Delayed recall, TIME test	0.72	0.41
Clock drawing test, part I, score	0.21	0.21
Verbal fluency, number of words	0.32	0.09
Kinetic apraxia, Luria’s tests, score	−0.16	−0.35
Visuospatial apraxia, Luria’s tests, score	−0.34	−0.33
NPI, total score	−0.22	−0.12
NPI, the severity of depression, score	−0.17	−0.22
BADL, score	−0.58	−0.25

< 0.05.